CN108456760A - Flash iron-smelting furnace - Google Patents
Flash iron-smelting furnace Download PDFInfo
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- CN108456760A CN108456760A CN201710092528.XA CN201710092528A CN108456760A CN 108456760 A CN108456760 A CN 108456760A CN 201710092528 A CN201710092528 A CN 201710092528A CN 108456760 A CN108456760 A CN 108456760A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
Abstract
The invention discloses flash iron-smelting furnaces, including：Vertical shaft, horizontal chamber furnace (oven) bottom, uptake flue and burnt part is blocked, has to suspend in vertical shaft and smelt chamber, the top of vertical shaft has nozzle；There is melting chamber, the lower part of melting chamber to be formed with molten bath, there is product exit, the top at horizontal chamber furnace (oven) bottom to be connected with the lower end of vertical shaft in molten bath, so as to melting chamber and the smelting chamber that suspends in horizontal chamber furnace (oven) bottom；The lower end of uptake flue is connected with the top at horizontal chamber furnace (oven) bottom and is arranged with melting chamber, uptake flue and vertical shaft interval；Burnt part is blocked to be located in horizontal chamber furnace (oven) bottom and adjacent to vertical shaft be arranged, molten bath is divided into the second molten bath chamber smelted the first molten bath chamber of chamber with suspension and be connected to product exit, blocks burnt part and be suitable for intercepting coke in the first molten bath intracavitary and flue gas, clinker and molten iron is made to pass through it into the second molten bath chamber.A ton ferrocoke consumption can be significantly reduced using the flash iron-smelting furnace, realizes energy-saving and emission-reduction.
Description
Technical field
The invention belongs to metallurgical technology fields, specifically, the present invention relates to flash iron-smelting furnaces.
Background technology
Blast furnace has more than 200 years history, and tremendous contribution is made that for mankind's social progress, but blast furnace process it is long,
High energy consumption becomes increasingly conspicuous to poor miscellaneous resource bad adaptability, especially environmental problem.In order to which solution resource and environment are asked from source
Topic, countries in the world are provided for a rainy day at the beginning of last century, the research of " non-blast furnace ironmaking " are organized with act of state, but so far
It fails and substitutes blast furnace, show that its innovation is difficult.
Flash metallurgy is the advanced technology of coloured industry maturation, its fundamental difference with blast furnace is that Flash Smelting Furnace is fine
" reaction of floating " of grain, therefore with the incomparable chemical kinetics supremacy clause of blast furnace.Iron ore is under afloat, only
It needs 3 seconds, you can complete the chemical reaction process that blast furnace needs a few hours.Therefore, flash iron-smelting process is based on " steel-has
Color " subject crossing new thinking has short, energy saving, clean manufacturing the obvious advantage of flow.
A kind of " flash metallurgical method of iron " (CN201210179226.3) patented technology, a kind of flash of the disclosure of the invention
Smelting furnace and ironmaking production method.Wherein, flash smelting furnace includes：Reaction tower defines reaction compartment in the reaction tower；Furnace charge
Nozzle, the furnace charge nozzle are arranged at the top of reaction tower；Molten bath, which is arranged in the lower part of reaction tower, for accommodating from reaction
The melt fallen after being reacted in tower space makees subsequent reduction reaction；And flue, the flue are connected by molten bath with reaction tower
It is logical, the flue gas being discharged for reaction process to be discharged.
" utilizing the method for flash iron-smelting furnace ironmaking " (CN201410678066.6) patented technology, the invention propose one kind
The method smelted iron using flash iron-smelting furnace, key step include：To the reduction tower intracavitary of flash iron-smelting furnace spray into dry iron ore concentrate,
Solvent and the fuel for including coke, fine coal and oxygen, and make the reducing atmosphere of reduction tower intracavitary formation high temperature；Make dry iron essence
With also Primordial Qi in reduction tower intracavitary redox reaction occurs for mine, to obtain molten iron, slag and flue gas, and in molten bath by up to
Lower formation coke layer, slag blanket and molten iron layer；Wherein, redox reaction is carried out under 600~1200 degrees Celsius；Reproducibility gas
Carbon monoxide containing 5~80 volume % in atmosphere.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention
One purpose is to propose a kind of flash iron-smelting furnace, and a ton ferrocoke consumption can be significantly reduced using the flash iron-smelting furnace, real
Existing energy-saving and emission-reduction.
Specifically, the present invention is completed based on following discovery：Used by current flash ironmaking technology or method
Coke is to be laid in the surface in horizontal molten bath to form coke layer, and molten iron mixes clinker carburizing occurs across coke layer when production
Afterwards, molten bath bottom is flowed to.And since the area in molten bath is bigger, the gas CO in product2/H2O and the coke of large area are in high temperature
Lower contact, inevitably occurs boudouard reaction, and then significantly increases the loss of coke.In order to reduce coke damage
Consumption, inventor block burnt part by being arranged in flash iron-smelting furnace, coke layer are limited in horizontal chamber furnace (oven) bottom and the vertical heater of Flash Smelting Furnace
One end that body combines, to reduce coke and CO in product gas2/H2The contact area of O, and then coke loss is significantly reduced, together
When ensure that product gas, molten iron and clinker can smoothly be discharged.
According to an aspect of the present invention, the present invention proposes a kind of flash iron-smelting furnace, according to an embodiment of the invention, should
Flash iron-smelting furnace includes：
Vertical shaft, the vertical shaft is interior, and there is the smelting chamber that suspends, the top of the vertical shaft to have nozzle；
Horizontal chamber furnace (oven) bottom has melting chamber in the horizontal chamber furnace (oven) bottom, and the lower part of the melting chamber is formed with molten bath, described
Molten bath has product exit, and the top at the horizontal chamber furnace (oven) bottom is connected with the lower end of the vertical shaft, so as to the melting chamber
Chamber is smelted with the suspension；
Uptake flue, the lower end of the uptake flue are connected with the top at the horizontal chamber furnace (oven) bottom and connect with the melting chamber
Logical, the uptake flue is arranged with the vertical shaft interval；
Block burnt part, it is described to block burnt part and be located in the horizontal chamber furnace (oven) bottom and the neighbouring vertical shaft setting, it described will melt
Pond is divided into the second molten bath chamber smelted the first molten bath chamber of chamber with the suspension and be connected to the product exit, described
Burnt part is blocked to be suitable for intercepting coke in first molten bath intracavitary and make flue gas, clinker and molten iron pass through it to melt into described second
Cell cavity.
Burnt part is blocked by setting in the flash iron-smelting furnace of the above embodiment of the present invention as a result, coke is limited in horizontal chamber furnace (oven)
Bottom is located at immediately below vertical shaft in space.It blocks burnt part by using above-mentioned and on the one hand can be substantially reduced coke and product gas
CO in body2/H2On the other hand the contact area of O can effectively ensure that molten iron and clinker pass through and flow to the second molten bath chamber,
Ensure that product gas passes through the free space for blocking burnt part and arriving at the second molten bath chamber top simultaneously.By using in the present invention
A ton ferrocoke consumption can be greatly reduced by stating the flash iron-smelting furnace of embodiment, realize energy-saving and emission-reduction.
In addition, flash iron-smelting furnace according to the above embodiment of the present invention can also have following additional technical characteristic：
In some embodiments of the invention, described to block burnt part to block burnt net, the aperture for blocking burnt net is less than coke
Grain size and the grain size for being more than the clinker.It is possible thereby to effectively intercept coke, while ensureing that molten iron and clinker can pass through.
In some embodiments of the invention, the aperture for blocking burnt net is 15mm.It is possible thereby to effectively intercept coke.
In some embodiments of the invention, in the chamber of first molten bath along lower upwardly direction be divided into iron pelagic division,
Slag blanket area and coke layer area, second molten bath chamber is interior to be divided into iron pelagic division and slag blanket area along lower upwardly direction, described to block
Burnt part is to block burnt plate, described to block burnt plate and substantially vertically extend and be fixed in the horizontal chamber furnace (oven) bottom, described to block burnt plate
Top and bottom are respectively formed with blow vent and material hole, and the lower end of the blow vent is higher than the coke layer area, the logical material
Less than the coke layer area and in the slag blanket area, the lower end of the material hole is located in iron pelagic division for the upper end of mouth.By
This blocks burnt plate and can effectively intercept coke by using above-mentioned.
In some embodiments of the invention, the blow vent and the material hole are respectively formed as U-shaped hole.It is possible thereby to
Further increase molten iron and clinker passes through efficiency.
In some embodiments of the invention, the top and bottom for the blocking burnt plate upper wall with the horizontal chamber furnace (oven) bottom respectively
It is spaced apart with lower wall and forms the blow vent and the material hole, it is described to block burnt plate the horizontal chamber furnace (oven) bottom is fixed on by fixing piece
It is interior.Burnt plate is blocked from there through using above-mentioned setting, that molten iron and clinker are improved while can effectively intercept coke passes through effect
Rate.
In some embodiments of the invention, the fixing piece is vertical fixed link, and the both ends for blocking burnt plate lead to respectively
Vertical fixed link is crossed with the upper wall at the horizontal chamber furnace (oven) bottom and lower wall to be connected.Burnt plate is blocked it is possible thereby to be effectively fixed.
In some embodiments of the invention, the vertical fixed link is threaded through described block in burnt plate.It is possible thereby to effectively
Burnt plate is blocked in ground fixation.
In some embodiments of the invention, the fixing piece is horizontal fixed link, the both ends point of the horizontal fixed link
It is not connected with the inner wall for blocking burnt plate and second molten bath chamber.Burnt plate is blocked it is possible thereby to be effectively fixed.
In some embodiments of the invention, the refractory temperature for blocking burnt part is 1700 degrees Celsius or more.It is possible thereby to
Further increase the service life for blocking burnt part.
Description of the drawings
Fig. 1 is the structural schematic diagram of flash iron-smelting furnace according to an embodiment of the invention.
Fig. 2 is the structural schematic diagram of flash iron-smelting furnace in accordance with another embodiment of the present invention.
Fig. 3 is the structural schematic diagram according to the flash iron-smelting furnace of further embodiment of the present invention.
Fig. 4 is the structural schematic diagram according to the flash iron-smelting furnace of further embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
According to an aspect of the present invention, the present invention proposes a kind of flash iron-smelting furnace.As shown in Figure 1, the present invention is implemented
Example flash iron-smelting furnace include：Vertical shaft 100, horizontal chamber furnace (oven) bottom 200, uptake flue 300 and block burnt part 400.
Wherein, have to suspend in vertical shaft 100 and smelt chamber 110, the top of vertical shaft 100 has nozzle 120；
There is melting chamber 210, the lower part of melting chamber 210 to be formed with molten bath 220, molten bath 220 has in horizontal chamber furnace (oven) bottom 200
There are product exit 221, the top at horizontal chamber furnace (oven) bottom 200 to be connected with the lower end of vertical shaft 100, so as to melting chamber 210 and suspension
Chamber 110 is smelted to be connected to；
The lower end of uptake flue 300 is connected with the top at horizontal chamber furnace (oven) bottom 200 and is connected to melting chamber 210, uptake flue
300 are arranged with the interval of vertical shaft 100；
It blocks burnt part 400 to be located in horizontal chamber furnace (oven) bottom 200 and adjacent to vertical shaft 100 be arranged, molten bath 220 is divided into and is suspended
The first molten bath chamber 230 that chamber 110 is connected to and the second molten bath chamber 240 being connected to product exit 221 are smelted, it is suitable to block burnt part 400
Enter the second molten bath chamber 240 in being intercepted coke in the first molten bath chamber 230 and flue gas, clinker and molten iron being made to pass through it.
Burnt part is blocked by setting in the flash iron-smelting furnace of the above embodiment of the present invention as a result, coke is limited in horizontal chamber furnace (oven)
Bottom is located at immediately below vertical shaft in space.It blocks burnt part by using above-mentioned and on the one hand can be substantially reduced coke and product gas
CO in body2/H2On the other hand the contact area of O can effectively ensure that molten iron and clinker pass through and flow to the second molten bath chamber,
Ensure that product gas passes through the free space for blocking burnt part and arriving at the second molten bath chamber top simultaneously.By using in the present invention
A ton ferrocoke consumption can be greatly reduced by stating the flash iron-smelting furnace of embodiment, realize energy-saving and emission-reduction.
In addition, inventor has found, due to reducing coke layer area, and then the dosage of coke is significantly reduced, to save
Flash iron-smelting furnace ironmaking cost is saved.And burnt part is blocked by setting, carburization reaction space can be reduced, and then reach guarantor indirectly
Temp effect improves carburizing efficiency.Inventor also found, block burnt part limit coke position by setting so that clinker and molten iron collection
In smelting in suspension chamber underface carry out carburization reaction, carburization reaction efficiency can be further increased.
According to a particular embodiment of the invention, as shown in Figure 1, it can be to block burnt net to block burnt part.It is according to the present invention specific
Example, the aperture for blocking burnt net should be less than the grain size of coke and the grain size more than clinker.From there through use it is above-mentioned block burnt net can be with
Effectively coke is intercepted in the first molten bath chamber 230 and flue gas, clinker and molten iron is made to pass through it and enters the second molten bath chamber 240.
Reduce coke and CO in product gas to effectively realize2/H2The contact area of O, limit coke thrombolytic agents, to reduce ton
Ferrocoke consumption.
According to a particular embodiment of the invention, the aperture for blocking burnt net is 15mm.The granularity of the coke of generally use is more than
Thus 20mm uses aperture blocking burnt net and can effectively intercept coke for 15mm, while ensureing passing through for clinker.According to
Specific embodiments of the present invention are connected as shown in Figure 1, blocking burnt net and can vertically extend with the inner periphery at horizontal chamber furnace (oven) bottom,
To ensure to intercept coke completely.
According to a particular embodiment of the invention, as shown in Fig. 2, being divided into along lower upwardly direction in the first molten bath chamber 230
Iron pelagic division 231, slag blanket area 232 and coke layer area 233 are divided into molten iron layer in second molten bath chamber 240 along lower upwardly direction
Area 241 and slag blanket area 242.Wherein, molten iron layer in the iron pelagic division 231 and the second molten bath chamber 240 in the first molten bath chamber 230
What area 241 was connected to, there is same level；In slag blanket area 232 and the second molten bath chamber 240 in first molten bath chamber 230
What slag blanket area 242 was connected to, there is same level.
According to a particular embodiment of the invention, as shown in Fig. 2, it can be to block burnt plate to block burnt part, burnt plate is blocked substantially along vertical
Direction extends and is fixed in horizontal chamber furnace (oven) bottom, and the top and bottom for blocking burnt plate are respectively formed with blow vent 430 and material hole 440,
The lower end of blow vent 430 is higher than coke layer area, and the upper end of material hole 440 is less than coke layer area and in slag blanket area, material hole
440 lower end is located in iron pelagic division.Thus product gas can by block the blow vent of burnt plate upper end by and enter second
Molten bath chamber, molten iron and clinker can by block the material hole of burnt plate lower end by and enter the second molten bath chamber.And coke is then blocked
Burnt plate is effectively intercepted in the first molten bath intracavitary, reduces coke and CO in product gas to effectively realize2/H2The contact surface of O
Product, limit coke thrombolytic agents, to reduce a ton ferrocoke consumption.
According to a particular embodiment of the invention, the blow vent and material hole blocked on burnt plate can be respectively formed as U-shaped hole.By
While effectively intercepting coke, can improve product gas, clinker and molten iron passes through efficiency for this.
According to a particular embodiment of the invention, the top and bottom of burnt plate are blocked respectively between the upper wall and lower wall at horizontal chamber furnace (oven) bottom
It separates to form blow vent and material hole, blocks burnt plate and be fixed in horizontal chamber furnace (oven) bottom by fixing piece.
According to a particular embodiment of the invention, as shown in figure 3, fixing piece can be vertical fixed link 410, the two of burnt plate are blocked
End is connected by vertical fixed link with the upper wall at horizontal chamber furnace (oven) bottom 200 and lower wall respectively.It is fixed it is possible thereby to will effectively block burnt plate
To precalculated position, realize that the while of intercepting coke ensures passing through for product gas, clinker and molten iron.Specific reality according to the present invention
Apply example, block burnt plate upper end be higher than coke layer area 233, ensure product gas by while intercept coke；It blocks under burnt plate
End less than coke layer area 233 and in the slag blanket area 232, ensure clinker and molten iron by while intercept coke.Therefore,
It blocks burnt plate by using shown in Fig. 3 and can effectively intercept coke, reduce coke and CO in product gas2/H2The contact area of O,
Limit coke thrombolytic agents, to reduce a ton ferrocoke consumption.
According to a particular embodiment of the invention, above-mentioned vertical fixed link can also be by way of being threaded through and blocking in burnt plate pair
Burnt plate is blocked to be fixed.It can equally achieve the purpose that effectively burnt plate is blocked in fixation.
According to a particular embodiment of the invention, as shown in figure 4, fixing piece can also be horizontal fixed link 420, level is fixed
The both ends of bar 420 are connected with the inner wall for blocking burnt plate and the second molten bath chamber respectively.Jiao Bangu will be blocked from there through horizontal fixed link
It is scheduled on precalculated position, to ensure that the while of intercepting coke makes product gas, clinker and molten iron pass through.
According to a particular embodiment of the invention, the refractory temperature for blocking burnt part of above-mentioned various concrete forms is 1700 degrees Celsius
More than.Material of the melting temperature higher than 1700 degrees Celsius is used to be made.Such as high-alumina brick may be used.Similarly, it is used for solid
Surely above-mentioned material should also be used by blocking the fixing piece of burnt plate.It is possible thereby to ensure to block the normal use of burnt part, while extending and blocking burnt part
Service life.
Have in the flash iron-smelting furnace of the above embodiment of the present invention as a result, block burnt part at least and can reach following effect it
One：
(1) limit coke and CO in product gas2/H2The contact area of O finally reduces ton to reduce boudouard reaction
Ferrocoke consumption realizes energy-saving and emission-reduction.
(2) dosage of coke is substantially reduced, production cost is saved.
(3) burnt part is blocked by setting, boudouard reaction area can be reduced, while reaching heat insulation effect indirectly.
(4) limit coke position so that the underface that clinker and molten iron concentrate on smelting in suspension chamber carries out carburization reaction,
Improve carburization reaction efficiency.
Embodiment 1
(1) burnt part is blocked in flash iron-smelting furnace using burnt net is blocked, the material for blocking burnt net is high-alumina brick, blocks the mesh size of burnt net
For 15mm.
(2) it is smelted iron according to the following steps using the ironmaking of above-mentioned flash iron-smelting furnace：Production coke size used is 25~
40mm sprays into iron ore, coal dust, oxygen from the nozzle of flash iron-smelting furnace, makes iron ore that reduction occur in reaction tower, melt
The physicochemical change for a series of complex such as changing, after the carburization that clinker and molten iron after melting pass through coke layer, flows into molten
Pond, the product gas after reaction pass through and arrive at the free space on molten bath top via burnt online portion is blocked, finally obtain cigarette
CO gas contents in road gas are 70%, iron coke per ton ratio 60kg/t.
Embodiment 2
(1) burnt part is blocked in flash iron-smelting furnace using burnt plate is blocked, and blocks the top and bottom of burnt plate by vertical fixed link and is crouched
The upper wall of formula furnace bottom is connected with lower wall blocks burnt plate with fixation.
(2) it is smelted iron according to the following steps using the ironmaking of above-mentioned flash iron-smelting furnace：It is substantially the same manner as Example 1, difference
It is：Production coke size used is 20~30mm, and an exhaust outlet is arranged in the coke layer position of furnace body, is blown at air port
Oxygen obtains localized hyperthermia and further melts molten iron and clinker, and it is 75% to finally obtain the CO gas contents in flue gas, ton
Iron(-)coke ratio is 100kg/t.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
It can be combined in any suitable manner in a or multiple embodiments or example.In addition, without conflicting with each other, the technology of this field
The feature of different embodiments or examples described in this specification and different embodiments or examples can be combined by personnel
And combination.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of flash iron-smelting furnace, which is characterized in that including：
Vertical shaft, the vertical shaft is interior, and there is the smelting chamber that suspends, the top of the vertical shaft to have nozzle；
Horizontal chamber furnace (oven) bottom has melting chamber in the horizontal chamber furnace (oven) bottom, and the lower part of the melting chamber is formed with molten bath, the molten bath
With product exit, the top at the horizontal chamber furnace (oven) bottom is connected with the lower end of the vertical shaft, so as to the melting chamber and institute
It states suspension and smelts chamber；
Uptake flue, the lower end of the uptake flue be connected with the top at the horizontal chamber furnace (oven) bottom and with the melting chamber,
The uptake flue is arranged with the vertical shaft interval；
Block burnt part, it is described to block burnt part and be located in the horizontal chamber furnace (oven) bottom and the neighbouring vertical shaft setting, by the molten bath point
It is described to block coke at the second molten bath chamber smelted the first molten bath chamber of chamber with the suspension and be connected to the product exit
Part is suitable for intercepting coke in first molten bath intracavitary and flue gas, clinker and molten iron is made to pass through it into second molten bath
Chamber.
2. flash iron-smelting furnace according to claim 1, which is characterized in that it is described block burnt part be block burnt net, it is described to block burnt net
Aperture be less than coke grain size and more than the clinker grain size.
3. flash iron-smelting furnace according to claim 2, which is characterized in that the aperture for blocking burnt net is 15mm.
4. flash iron-smelting furnace according to claim 1, which is characterized in that along lower upward side in the chamber of first molten bath
To iron pelagic division, slag blanket area and coke layer area is divided into, second molten bath chamber is interior to be divided into iron pelagic division along lower upwardly direction
With slag blanket area, described to block burnt part be to block burnt plate, described to block burnt plate and substantially vertically extend and be fixed on the horizontal chamber furnace (oven) bottom
Interior, the top and bottom for blocking burnt plate are respectively formed with blow vent and material hole, and the lower end of the blow vent is higher than the coke
Layer of charcoal area, the upper end of the material hole is less than the coke layer area and in the slag blanket area, the lower end position of the material hole
In in iron pelagic division.
5. flash iron-smelting furnace according to claim 4, which is characterized in that the blow vent and the material hole are respectively formed
For U-shaped hole.
6. flash iron-smelting furnace according to claim 4, which is characterized in that the top and bottom for blocking burnt plate respectively with institute
It states the upper wall at horizontal chamber furnace (oven) bottom and lower wall is spaced apart and forms the blow vent and the material hole, described to block burnt plate solid by fixing piece
It is scheduled in the horizontal chamber furnace (oven) bottom.
7. flash iron-smelting furnace according to claim 6, which is characterized in that the fixing piece is vertical fixed link, described to block
The both ends of burnt plate are connected by vertical fixed link with the upper wall at the horizontal chamber furnace (oven) bottom and lower wall respectively.
8. flash iron-smelting furnace according to claim 7, which is characterized in that the vertical fixed link, which is threaded through, described blocks burnt plate
It is interior.
9. flash iron-smelting furnace according to claim 6, which is characterized in that the fixing piece is horizontal fixed link, the water
The both ends of flat fixed link are connected with the inner wall for blocking burnt plate and second molten bath chamber respectively.
10. flash iron-smelting furnace according to claim 1, which is characterized in that the refractory temperature for blocking burnt part is taken the photograph for 1700
Family name degree or more.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710092528.XA CN108456760A (en) | 2017-02-21 | 2017-02-21 | Flash iron-smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710092528.XA CN108456760A (en) | 2017-02-21 | 2017-02-21 | Flash iron-smelting furnace |
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| CN108456760A true CN108456760A (en) | 2018-08-28 |
Family
ID=63221727
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710092528.XA Pending CN108456760A (en) | 2017-02-21 | 2017-02-21 | Flash iron-smelting furnace |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4062673A (en) * | 1975-12-22 | 1977-12-13 | Robert Ames Norton | Flash smelting of iron with production of hydrogen of hydrogenation quality |
| WO2013107417A1 (en) * | 2012-01-21 | 2013-07-25 | Beijing Shantie Technology Co., Ltd. | Cavity-type blast furnace iron-smelting apparatus and iron-smelting method |
| CN103993116A (en) * | 2014-04-22 | 2014-08-20 | 邱江波 | Double tower flash iron making furnace and iron making method |
| CN103993115A (en) * | 2014-04-22 | 2014-08-20 | 邱江波 | Drying and reducing integrated flash ironmaking apparatus and ironmaking method |
| CN206624892U (en) * | 2017-02-21 | 2017-11-10 | 北京闪铁科技有限公司 | Flash iron-smelting furnace |
-
2017
- 2017-02-21 CN CN201710092528.XA patent/CN108456760A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4062673A (en) * | 1975-12-22 | 1977-12-13 | Robert Ames Norton | Flash smelting of iron with production of hydrogen of hydrogenation quality |
| WO2013107417A1 (en) * | 2012-01-21 | 2013-07-25 | Beijing Shantie Technology Co., Ltd. | Cavity-type blast furnace iron-smelting apparatus and iron-smelting method |
| CN103993116A (en) * | 2014-04-22 | 2014-08-20 | 邱江波 | Double tower flash iron making furnace and iron making method |
| CN103993115A (en) * | 2014-04-22 | 2014-08-20 | 邱江波 | Drying and reducing integrated flash ironmaking apparatus and ironmaking method |
| CN206624892U (en) * | 2017-02-21 | 2017-11-10 | 北京闪铁科技有限公司 | Flash iron-smelting furnace |
Non-Patent Citations (1)
| Title |
|---|
| 冯欣;: "韦尔瓦(Huelva)冶炼厂40年闪速熔炼的历史及经验教训", 中国有色冶金, no. 05 * |
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